Greyabbey — Water Temperature, Sea Conditions & Trends
This page provides clear and up-to-date information about water temperature for Greyabbey (Northen Ireland, United Kingdom). It includes the current water temperature, daily data for the last month presented in a simple chart, and a 7-day forecast. The page also compares today’s value with typical averages for this period, shows usual monthly ranges during the year, and lists nearby beaches with short descriptions. Local weather for the next few days and general details about Greyabbey help you plan your visit and choose the best time for swimming.
Current Water Temperature
Water temperature in Greyabbey in the Irish Sea today is 15°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 60°F (15°C) to 65°F (18°C). The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people.
It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart Over the Last 30 Days
Water temperature in Greyabbey has risen over the last week and month. Currently, the sea water temperature at this location matches the average for this day in previous years.
According to our forecast, Water temperature in Greyabbey will be 14.1°C in the next 7 days. See the table below for daily data for the upcoming week.
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| JUL 19 | 16.1°C | 14.5°C | |
| JUL 20 | 16.2°C | 14.5°C | |
| JUL 21 | 15.1°C | 14.8°C | |
| JUL 22 | 15.1°C | 15.3°C | |
| JUL 23 | 15.7°C | 14.8°C | |
| JUL 24 | 15.8°C | 14.8°C | |
| JUL 25 | 15.1°C | 15.0°C | |
| JUL 26 | 15.6°C | 15.0°C | |
| JUL 27 | 15.3°C | 15.0°C | 15.3°C |
| JUL 28 | 14.5°C | 15.1°C | |
| JUL 29 | 14.3°C | 15.0°C | |
| JUL 30 | 14.3°C | 14.8°C | |
| JUL 31 | 14.3°C | 14.6°C | |
| AUG 1 | 14.3°C | 14.5°C | |
| AUG 2 | 14.0°C | 14.3°C | |
| AUG 3 | 14.5°C | 14.1°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.
Water temperature data for this location is gathered from various sources, including buoys and satellite sea and ocean surface maps provided by the NOAA agency. We also incorporate data from local authorities in each specific location worldwide to ensure more accurate temperature readings.
Annual Water Temperature Overview by Month
Monthly Water Temp Ranges
Annual Water Temperature Trend
Greyabbey is a small village on the Ards Peninsula beside the sheltered waters of Strangford Lough in Northern Ireland. The lough moderates temperatures compared with exposed Atlantic coasts, so seasonal sea surface temperatures there range roughly from 6–8 °C in winter (December–February) to around 13–17 °C at the warmest point in summer (June–August). Spring temperatures typically rise through 7–12 °C (March–May), while autumn cools to about 10–13 °C (September–November). Local conditions can vary with tides, wind and freshwater inflows, so short-term variations of a few degrees are common; shallow, sun-warmed shallows close to shore may be a little warmer on calm summer days.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 7°C | 9°C | 10°C |
| February | 7°C | 8°C | 10°C |
| March | 6°C | 8°C | 10°C |
| April | 7°C | 8°C | 10°C |
| May | 8°C | 10°C | 12°C |
| June | 9°C | 12°C | 14°C |
| July | 11°C | 14°C | 17°C |
| August | 12°C | 14°C | 17°C |
| September | 13°C | 14°C | 17°C |
| October | 12°C | 14°C | 15°C |
| November | 11°C | 13°C | 15°C |
| December | 9°C | 11°C | 13°C |
* Click on a month to view detailed water temperature data.
Greyabbey: Weather Forecast
July 28
July 29
July 30
Location, Beaches & Local Information
Nearby Beaches & Facilities
Barr's Bay
Ballywalter Beach
Strangford Lough
Ballyferris Holiday Park
Ballyhalbert Beach
Island Hill
Millisle Lagoon Beach
Swimming Conditions
Swimming around Greyabbey is principally an open-water and sheltered-lough experience rather than a traditional resort beach holiday. There are small pebble and grassy access points suitable for launching sea swims, paddleboarding or tide-dependent bathing, and the relatively sheltered waters of the lough make calmer conditions possible compared with exposed coasts. Water temperatures mean that a wetsuit is advisable for much of the year, and many swimmers find a suit preferable when temperatures are below about 14 °C, while summer conditions near 15–17 °C are more comfortable for unassisted swimming for those used to cooler water. As with any coastal activity, visitors should check local tide and weather information, be aware of currents and boat traffic in the lough, and follow any signage or local guidance for safe swimming.